Coahuila is located in the Northeastern part of México; to the North, it borders with Rio Bravo which is confined by the south of Texas in the United States of America, to the East, it borders the state of Nuevo León, to the South with the states of San Luis Potosí, Zacatecas and Durango, and to the West with the states of Durango and Chihuahua.

Coahuila has a total territory of 149,982 km2. It represents the third largest state of the Mexican Republic following only Chihuahua and Sonora, with 7.7% of the country’s total territorial extension.